The amazing world of LEGO® Technic constructions.
Based on the vision from Ole Kirk Christiansen (1891-1958), a carpenter from Billund/Denmark, whose personal motto was "Only the best is good enough" - Leg Godt (Play Well).

TechnicBRICKs blog (TBs hereafter) is devoted to the LEGO Technic theme and intends to spot mainly on news and developments, rather than new sets reviews or users creations (aka MOCs). However you will also find them here occasionally...

Sunday, March 18, 2012

Simply genial as always! A new idea from Akiyuky - A Cylindrical Cam made of LEGO elements.

As the "cylinder" cam profile starts to rotate, the follower moves in one direction. When the follower reaches the limit then it moves back without needing to change the direction of the cam rotation.

See how to make one, in the video below.

This was just a great combination of Technic and LEGO SYSTEM elements, used to achieve the intended linear back and forth effect.

These unusual cams are normally composed of a cylinder which has a groove cut out on its surface and it is in this that the follower runs up and down. This type of cam can be seen in some old clock mechanisms and still in modern sewing machines just as an example. Machines that perform repetitive movements often use a cylinder cam profile.

Cool motion! I like the idea that it stops at either end and is not continually in motion. Such an idea could be used to make a LEGO movie projector with this mechanism advancing the film a frame at a time.

TechnicBRICKs often shows other peoples' creations and/or images. We always try to credit the author(s) and link to their main publishing website, and if possible with their name in real life.
Since this is not always possible, we request that if you find something here that is yours or from someone you know, you leave a comment on the respective post and claim the authorship.

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